/Engine/Source/Editor/LevelEditor/Public/ILevelEditor.h
Returns a list of all of the toolkits that are currently hosted by this toolkit host
const [TArray](API\Runtime\Core\Containers\TArray)< [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [IToolkit](API\Editor\EditorFramework\Toolkits\IToolkit) > > & GetHostedToolkits() const